把下列名词单数变复数.1.map2.class3.life4.story5.sheep6.foot7.mouse8.man doctor9.tomato10.child

问题描述:

把下列名词单数变复数.
1.map
2.class
3.life
4.story
5.sheep
6.foot
7.mouse
8.man doctor
9.tomato
10.child